Controller



Oct. 176, 1928.

C. L. PERRY CONTROLLER Filed 18' 1926 Patented Get. 16, 1928.

1,687,508 PATENT OFFICE.vr

CHARLES L. PERRY, GF SCHENECTADY, EEUU YORK, ASSIGNGR TOCENERAL ELECTRICCOMPANY, A O'BOBATION OF NETVYORK. i

CONTROLLER.

Application filed. February 18, 1926. Serial No, `89,248.

My invention relates to controllers enclosed in casi such as in commonuse upon cranes, hoists, etc. The object ot my invention is to providecasing .instruction which will 'facilitate the bi 't or the variouscables into the conL v'ollei nd the attachment thereoie to thcl r pro Yterminals When installthc controller iis place of use. ln all priorconstructions 'of which l am aware, the ends oit the cables have beendrawn through an oper' a' or opl "rings in one of the main portions oithe ce troller casing, such as the bottoni plate, baclplate or a sideWall, and thereafter attached to their respective ter minals in the bodyot the controller. The dran Mn ot the cables and the attachment ot theends have etten been inconvenient, tedious or diiiicnlt operinbions asthe casing' and the contained parts the controller it Seli preventedready access tothe cables and to the parts to which they must beattached. To overcome the difficulty in drawing in the ends ot thecables, l provide a separate box or plate with an opening or openingstherein which torn-is a portion ot the casing when the installation hasbeen completed. This box or plate may be pnt in place. and the ends ofthe cables are drawn through the opening or openings therein, in advanceof the placing in position of the body ot tho controller ande theremaining portions ot the casing. To overcome the diiiiculty in theattachment ot the ends of the cables, l provide a separate back plateWhich need not be applied to the controller nntil after the cables havebeen attached to their respective terminals. When both ot" thesefeatures are used, the ends ot the cables are threaded through a smallportion of the Wall otthe casing bei-ore the body of the` controller andthe remainder of the casing are placed in the Worlnnans Way.y and theends ofthe cables and the terminals ot the controller to which thecables must be attached are` still readily accessible after the body 'ofthe controller has been pnt in place. Referring tothe accompanyingdrawing in which the preferred 'terms ot my invention are illustrated:Fig. l shows a controller with an inlet box anda removable back, all inassembled position; Fig. 2 shows the same controller with the backseparated therefrom and the cover or Jfront removed; and Fig. 3showsjthe lowe portion of a controller and casing in which a plate isused instead of a box. l

y bars 2 c ln the various ligures, l represents the bottom plate ot acontroller casing 2 and 2a repthe side bars,y and El the top plate.

rlifhese parts constitute a trame which carries "".ie i rions fixed andmovable devices Which consti i te the operative elements ot the con:

troller rthe usual cover plate d terms the :trent ivall oi" the casing.The cables 5 leadinto the controller are attached to the controllerterminals 6,

i the 'form ot my invention shown in Fi gs. 2, the lower rear portion otthe casing s et a box Z which has a bottom and tl.. c in opening 8 isshown in one side o' t b x tor the entrance of the cables 5. The cover 9is provided to cover a similar onen if in the opposite side of the box.The

baril-z l() is adapted to rest upon the upper edge of the box 7 and tobe fastened to the side d 2a. The back 10, box 7, side bars 2 and 2,iront or cover il, top 3, and bottom l, when assembled, form a completecasing, as shown in Fig. 1.

ln the 'torni of my invention shown in Fig. 3, a plate ll is usedinstead ot the box 7 of Figs. l and 2. This plate is provided With anopening 12 for the entrance ot the cables. l/Vhen the parts are inassembled position, the rear of the bottom l is seated against one edgeof the plate Il and the back 13- rests upon or seats againstv the threeremaining edges ot this plate.

When the controller is to be installed upon the platform 0f a car or inany other position Where such a device is used, the box 7 or plate 11 isfirst put in place. The ends of the various cables 5 are then drawnthrough one or more of the openings therein. The controller tramecomprising the side bars 2 and 2, top and bottom 1 and the operative elements of the controller which are attached thereto are next brought intoregistry ywith the box 7 or plate 1l and Jfastened in place. The ends ofthe various cables 5 are thereafter attached to their respectiveterminals 6. The back l() or 13 and cover 4 are thereupon applied andfastened in place.

It will be observed that the threading of the ends of the cables 5through the opening or openings in the box 71er plate V11 may beentirely accomplished before any other portion ol the controller or itscasing is put in place. It is also seenthat the body of the controllermay then be placed in position and that the ends of. the cables 5 maythen be associated each with its proper terminals 6 and fastened Whilethe parts are fully expo-sed for this purpose and that this freedom o'access is rendered possible by the separation of tlie baclr plate fromthe portion of the casing.,r through which the cables are brought in,and from the controller and the other portions of the casing'.

lWhat l claim as new and desire to secure by Letters Patent ofthevUnited States is:

l.v A controller comprising operable controller elements includingterminals for the attaehn'ient of the ends of cables leading' fromoutside of the controller, said terminals being located at the back ofthe controller, a frame in Which said elements are mounted whichcomprises a base plate, a top plate and side bars, a separatelyinstallable member7 located at the back and bottom of the controlleradjacent. the base and side bars thereof and having` an opening for thepassage ot said cables, a cover cooperating with the top plate, baseplate and side bars to form a casing` for the front of the controller, aseparately applicable back cooperating With the top plate, side bars andseparately installable member to form a casing for the back ofcontroller over said tern'iinals. controller comprising operativecontroller elements including terminals -for the attachment of' the endsol cables leadingl from outside of the controller7 said terminals bein Ylocated at the back of the controller, a frame in vwhich said elementsare mounted which. comprises a base plate, a top plate and side bars, aseparately installable box having a bottom Wall and a side Wall, saidbox located at the back and bottom or" the controller adjacent the baseand side bars thereof and lim/ing;` an opening or openings in its Wallsfor the passage of said cables, a cover cooperating' with the top plate,base plate and side bars to form a casingl for the front ot thecontroller, a separatelyY applicable back tlate cooperatinp` with thetop platea si le bars and box to form a casing` for the back of saidcontroller over said terminals.

ln "itness whereof I have hereunto set my hand this lth dav of February,1926.

' CHARLES L. PERRY.

